jsp 文件上传浏览，支持ie6，ie7，ie8

%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
html xmlns="http://www.w3.org/1999/xhtml">
    head>
        meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
        link rel="stylesheet" href="../css/common.css" href="css/common.css" type="text/css" />
        title>管理区域/title>
        style type="text/css">!--
#newPreview
{
filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale);
}
-->/style>
script type="text/javascript" language="javascript">!--
var flag=true;
function PreviewImg(imgFile)
{
//新的预览代码，支持 IE6、IE7,IE8也支持，firefox不支持！！我测试了的……
var newPreview = document.getElementById("newPreview");
newPreview.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = imgFile.value;
if(flag)
{
newPreview.style.width = "100px";
newPreview.style.height = "80px";
}
}
function setImgWH()
{
var newPreview = document.getElementById("newPreview");
flag=false;
newPreview.style.width = document.getElementById("txtImgWidth").value;;
newPreview.style.height = document.getElementById("txtImgHeight").value;
}
// -->/script>
    /head>
    body>
        div id="man_zone">
        form action="product.do?command=addProduct" method="post" name="Upload" enctype="multipart/form-data">
                table width="100%" border="0" align="center" cellpadding="3"
                    cellspacing="1" class="table_style">

                    tr>
                        td class="left_title_2">
                            商品图片：
                        /td>
                        td>input type="file" name="file" onchange="javascript:PreviewImg(this);" style="border: 1px #FFFFFF
solid;background:#efefef" style="border: 1px #FFFFFF
solid;background:#efefef" />font color=red>*/font>div id="newPreview">/div>/td>
                    /tr>
                    tr>
                        td class="left_title_1">
                            input type="submit" name="Submit" value="增加" />
                        /td>
                        td>
                            input type="reset" name="Reset" value="重置" />
                        /td>
                    /tr>
                /table>
            /form>
        /div>
    /body>
/html>